Fool's paradise (mostly seen)

"Question: Is the corner concave or convex? Use your palm to cover the upper half of the picture and the corner will be bulged out. However, if you cover the lower half, then it will seem as the inner corner."

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"Spinning dancer silhouette is a bistable illusion where you can see the ballerina move both clockwise and counterclockwise. It is NOT a brain test to determine which part of brain is more used. Let the rotating lady on the right and left guide you (by Nobuyuki Kayahara)."

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"In the following Hermann grid illusion the gray spots appear at the intersection because of the inhibitory response which occurs as a result of the increased dark surround. Take a closer look - do you see any grey spots where the black lines intersect? In fact, there is nothing."

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LoserFanboy's home renovation (scheduled extension):

ILLUSION INSIDE BUILDING

"Painting on walls, if viewed from a specific angle, can create illusion of 3D."

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VERY TRICKY (First you can see a very good looking man)

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"Cross your eyes and you should be able to see a familiar face." (choice of words ...)

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These cars look like they're different sizes...

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but in reality they're all the same. (though ...)

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Slowly move your head towards image and the light in the middle will get brighter. Move your head away and the light will become weaker.

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"These yellow and blue blocks appear to move one after the other, right?"

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"By manipulating the human brain and eyes, Brusspup is able to create amazing animations with nothing but a black card."

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By layering multiple images on top of each other, photographers are able to create amazing two faced portraits.

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Users here post all the time flipped images (in 'rate me' section), um ...

At first, they look like 3 beautiful women…

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Flip the image…. not so much.

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Aesthetics Dr Lux wrote:
phaclogage wrote:
"In the following Hermann grid illusion the gray spots appear at the intersection because of the inhibitory response which occurs as a result of the increased dark surround. Take a closer look - do you see any grey spots where the black lines intersect? In fact, there is nothing."


Are they black-lined squares? They look burgundy (reddish brown). Maybe I am colour-blind (ha ha).

Your eyes do work. Burgundy - burgundy. :-)

"This is actually a sheet of paper..."

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"...folded in just the right way"

A moving poster

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Scroll up and down and you’ll see the above picture ’move’

Selective perception

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Here are two almost identical pictures. Can you spot the difference between them? Once you do, you won’t be able to ’unsee’ it!

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